Match the columns:
| Column I | Column II |
| P. Sporadic disease | 1. Disease that remains in a population, causing new cases at a regular frequency |
| Q. Epidemic disease | 2. Sudden increase in a disease in a large population in a given period |
| R. Pandemic disease | 3. Expansion of an epidemic over a very large region, usually worldwide |
| S. Endemic disease | 4. Disease that appears occasionally in a population at irregular intervals |
Reveal answer
Fill a bubble to check yourself